Based on the field investigation data of Hunan Province,To study the effect of intergenerational support on medical service utilization among rural elderly, According to the Two - part - Model divided the utilization of medical service in rural elderly into" medical treatment" and" medical expenditure", The results showed that" medical treatment" of rural elderly positive- ly effected by financial support, care support, and emotional support from their children;" medical expenditure" of rural elderly positively effected by financial suppor...